gistfile1.js

var ToolboxBlock = React.createClass({
	handleClick: function() {
		// need to reference the div here
	},
	render: function() {
		var type = this.props.type;
		var className = 'block block-type-'+type;
		var blockId = 'block-'+Math.random();

		return (
			<div onClick={this.handleClick} className={className} ref={blockId}>{type}</div>
		);
	}
});